142757811 has 36 divisors (see below), whose sum is σ = 248759472. Its totient is φ = 77270112.

The previous prime is 142757809. The next prime is 142757827. The reversal of 142757811 is 118757241.

It is not a de Polignac number, because 142757811 - 2¹ = 142757809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142757011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 19605 + ... + 25881.

Almost surely, 2^142757811 is an apocalyptic number.

142757811 is a deficient number, since it is larger than the sum of its proper divisors (106001661).

142757811 is a wasteful number, since it uses less digits than its factorization.

142757811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6328 (or 6306 counting only the distinct ones).

The product of its digits is 15680, while the sum is 36.

The square root of 142757811 is about 11948.1300210535. The cubic root of 142757811 is about 522.6367686043.

The spelling of 142757811 in words is "one hundred forty-two million, seven hundred fifty-seven thousand, eight hundred eleven".